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Questions tagged [backwards-compatibility]

Backward compatibility refers to a software or hardware system that can successfully use interfaces and data from earlier versions of the system.

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API design: Adding a new exception type - is it safe?

I need to change an existing service API to throw an extra exception for a scenario. The exception will be a subtype of an already thrown exception. Is it okay to do this or will it be considered backwards incompatible? I have the interface in a…
Arvind
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"AJAX interaction with session cookies" with UIWebView of iOS 5 is not working on iOS 6

Background: I have a program working well in iOS5 which uses UIWebView. The web page is loaded from customized server. Communication between iOS and server is done through AJAX machanism. Cookies are used for session management. Problem: The events…
AKB
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Weak linking popoverBackgroundViewClass to make it work in <5.0 IOS

Already checked this question: Weak linking UIPopoverBackgroundView and already read: http://www.marco.org/2010/11/22/supporting-older-versions-of-ios-while-using-new-apis#fnref:1 I have a custom PopoverBackgroundView declared in a .h and…
pdrcabrod
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Have jre7; JAR is jre6 compiled; can't run

I built a JAR in NetBeans, setting the Source/Binary Format to JDK6. So it's compiled to jre6. I can use the JAR (outside the IDE), but if I send it to a machine with jre7, I have to alter the environment variable to get it to execute from the…
JasonDAquila
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What are the best practices to make a HTML5 page look same in browsers?

HTML5 comes with many new features such as new tags and many of these features are supported by the latest generation of browsers. What are the best practices to make a HTML5 page look same in all versions of the popular browsers (Chrome, Firefox,…
Thomas
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Play! framework - backward compatibility

I'm currently developing a new website powered by Play! framework 2.0 and I have two questions: is there going to be a newer version in the near future? if the answer to the above is "yes", is there going to be a backward compatibility?
socksocket
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Add Surpass Error Lint 'NewApi' except Using backward Compatibility in android Action Bar

I am working on action bar.I face a strange issue.My minimum sdk version is 8 and target is 15.I am using android-support-v4.jar. So that Action Bar will work on device lower than API 11.But i face error like I am not able to solve this problem.…
Tofeeq Ahmad
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.NET binary backward compatibility

Why can't older version of .net compiled binaries run on newer version of framework, like java 'binary' compiled under jdk 1.3 runs fine under jre 1.6 ? With mixed reference library requiring various .net runtime, the installation base size of…
arie
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Which are the minimum API requirements of the compatibility package?

I know the Compatibility Package is very useful and provides backward compatibility. One thing i am not sure, will all the libraries in the package can be used on all version of Android let say above 2.1.
LittleFunny
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How could i use the utility classes of cake php 2.x in cake php 1.3 or 1.2?

currently i am working on a project which was startted with cakephp 1.2, i have found some changes in in utility classes like File class in version 2.x so i want to use this class with cake 1.2 or 1.3. please let me know if it is possible, what are…
Sumit Kumar
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How backward compatible is ARC?

Will an app compiled with ARC work on previous (<5.0) versions of iOS?
cfischer
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Is Android tablet development as easily done on ICS?

My future employer keeps telling me to make sure I have a Honeycomb tablet to develop a 'Mag+' tablet magazine on — and on the website it says, "Publish to both iPad & Android Honeycomb tablets" which may just not have been updated. My employer…
westport
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Is Xcode 4 required to continue iPhone development?

It has been a while since I've last done programming XCode for the iPhone and I have noticed that there is a new version of XCode, XCode 4, that seems to only be available for the Lion OSX according to this link https://developer.apple.com/xcode/. I…
Jeff Lee
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AudioUnit is not working in 10.6

I'm using Osx 10.7 with Xcode 4.2.1, my AU plug-in works well in 10.7 but is not running in 10.6. When I try to change the Base SDK from 10.7 to 10.6 I get errors in the AUBase.h, ComponantBase.h and AUPluginDispatch.h Maybe I need to switch my…
kambi
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Getting a site to work in IE

I have a site I'm building in Dreamweaver CS5 and although my test site looks fine in Firefox/Safari, it looks awful in IE 8 on down. For starters, the inline
  • of images (3 rows of 4) does not even appear on the home page. See here- Test Site…
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